Tag: science & technology

Questions Related to science & technology

  1. lighting purpose

  2. cooling purpose

  3. amplification purpose

  4. none of the above.


Correct Option: C
  1. positively charged

  2. negatively charged

  3. neutral

  4. sometime positively charged and some time negatively charged


Correct Option: C
  1. equal to mass of neutron

  2. equal to mass of electron

  3. zero

  4. non-zero


Correct Option: D
  1. excited electron particles

  2. excited positron particle

  3. excited electron or positron particle

  4. super-excited photon particle


Correct Option: C
  1. positron

  2. neutron

  3. antineutrino

  4. electron


Correct Option: C
  1. positron

  2. positive electron

  3. proton

  4. photon


Correct Option: A
  1. helium atom with two neutron removed

  2. helium atom with two proton removed

  3. helium atom with two electron removed

  4. helium atom with one electron removed


Correct Option: C